package com.day0424;/*
 * @创建者：黄苟苟
 * @创建时间：2021/4/25   14:34
 * @Description描述
 **/

public class Test {
    public static void main(String[] args) {
        A1 a1 = new A1();
        A1 a2 = new B();
        B b = new B();
        C c = new C();
        D d = new D();

        System.out.println("1--" + a1.show(b));
        System.out.println("2--" + a1.show(c));
        System.out.println("3--" + a1.show(d));
        System.out.println("4--" + a2.show(b));
        System.out.println("5--" + a2.show(c));
        System.out.println("6--" + a2.show(d));
        System.out.println("7--" + b.show(b));
        System.out.println("8--" + b.show(c));
        System.out.println("9--" + b.show(d));
    }
}